Yazar "Kilic, Selami" seçeneğine göre listele

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    Analysis of floods from natural channels in urban areas and creation of risk map: Malatya province case
    (Pamukkale Univ, 2019) Kilic, Selami; Ozdemir, Ozgur; Firat, Mahmut
    In this study, flood simulation analysis was carried out for the natural channels in the urban area and a risk map of flood waters was formed. For this purpose, Horata channel in Malatya city center was selected as the application area where there are a total of four streams, which have the flood risk potential. The flood events observed in the past were investigated and the factors that cause it were evaluated. Flood hydrographs were obtained for 50, 100 and 500 year return periods for the Horata channel. Info-works ICM was used for flood simulation and flood analysis was performed for different recurrence periods. It was observed that stream sections were inadequate and settlement areas would be adversely affected especially for the return period of 500 years. As a result, flood propagation maps were created for each case and the affected areas were determined. According to the results of these analyzes, the regions where the risk of floods are high can be listed as follows, especially where the natural flow is disturbed, the section is constricted for bridging, the areas where meandering are formed, regions where the section is insufficient.
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    Developing a management and operation model for water and wastewater components using the equilibrium optimization algorithm
    (Iwa Publishing, 2024) Kilic, Selami; Ates, Abdullah; Firat, Mahmut; Yilmaz, Salih
    A novel optimization model was developed using the equilibrium optimization algorithm to define the most appropriate management process according to the current state of urban water components in utilities. The basis of the optimization model is the current status analysis and management system, which consists of 11 main headings and 231 components. This model is applied for three utilities, and the results are presented in comparison with real-time data. Currently, the number of components with 0 or 1 score is 28, 19 and 69, respectively. The current average scores of the components in the utilities were obtained as 2.84, 3.43 and 2.48, respectively. Then, the improvement process of these components is optimized by the equilibrium optimization algorithm. The most appropriate targets were defined as 3.90, 4.15 and 3.71, respectively, with the optimization algorithm by considering the current scores in the utilities. The target scores for water supply, wastewater collection and treatment components are determined as 3.81, 4.05 and 3.84 for utility I; 4.03, 4.18 and 4.22 for utility II; and 3.51, 3.56 and 4.05 for utility III. The proposed model will be a reference for defining the most appropriate target and determining the management process.
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    A novel assessment framework for evaluation of the current implementation level of water and wastewater management practices
    (Iwa Publishing, 2023) Kilic, Selami; Firat, Mahmut; Yilmaz, Salih; Ates, Abdullah
    A sustainable urban water cycle is critical in terms of effective water network management, efficient use of water resources, protection of the environment and human health, and reuse of treated water. The objective of this study is to develop a novel assessment framework that evaluates the data quality of components and current implementation levels of wastewater management (WWM) practices, calculates performance indicators according to the data quality of the components, and proposes the most appropriate improvement methods according to the current status of the components. This assessment framework consists of five matrices, namely the current situation analysis and management system (CSAS), data matrix (DATA), performance assessment system (PAAS), target definition system (TARGET), and method matrix (TOOL). The current situation is analyzed with a total of 231 components under 11 main headings covering WWM practices. The assessment framework was tested in pilot utilities and the results were discussed. It is observed that the scores of utility I were generally better than those of utilities II and III. The novelty of this assessment framework is to evaluate the current situation of WWM practices with a unique scoring system, to define the weaknesses and strengths in WWM, and to present a roadmap for improvement according to the current situation.
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    A Novel Current Condition Assessment System for Sustainable Management and Operation of Wastewater Treatment Plants
    (Asce-Amer Soc Civil Engineers, 2023) Kilic, Selami; Firat, Mahmut; Odemir, Ozgur
    Wastewater treatment is important in terms of human and environmental health in the urban water management cycle. Appropriate methods should be applied based on accurate data in order to ensure efficiency. This study developed a novel current condition assessment system to evaluate the data quality and the implementation level of wastewater treatment plant (WWTP) management and operations practices. The developed system consists of 48 components including the basic processes used in the operation of WWTPs. A unique scoring system is proposed to evaluate the system. The developed system was tested in three pilot WWTPs. The performance of Utility 2 was better than that of the other utilities in terms of data quality and implementation level of methods. However, the scores of Utilities 1 and 2 generally were close to each other. The weaknesses and strengths were determined within the scope of WWTP management in each utility.